#include <stdio.h>

void myfunc(void);
int mysum(int a,int b);

int main(int argc,char** argv)
{
    int result = mysum(5,10);
    printf("Result : %i+%i=%i\n", 10, 5, result);

    return 0;
}

void myfunc(void)
{
    printf("My func called!\n");
}

int mysum(int a,int b)
{
    return a + b;
}